Mollusks Flashcards
(26 cards)
What are the three mollusk groups ?
Bivalves , Cephalopoda and Gastropods
What is an example of bivalves ?
Scallops clams oysters mussels
How do bivalves get food?
They are filter feeders so the use their sticky gills to capture tony food particles and cilia
Define foot
A large muscle that is used for movement
Define mantel
A thin layer of tissue that produces the shell
How do bivalves reproduce?
They reproduce sexually through fertilization
Define Gastropods
Stomach foot
What is an example of Gastropods
Slugs and snails
Where do Gastropods live?
They can live in and on water, or on land
What are the different diets of Gastropods
Herbivore scavenger carnivore
Define hermaphrodites
Animals that produce egg and sperm
How do Gastropods reproduce ?
They are hermaphrodites and reproduce sexually
What type of circulatory system do Gastropods have?
They have open circulatory systems
What type of digestive system do Gastropods have?
2 opening one way digestive system
How do Gastropods eat?
With their radula
Define radula
Mini chainsaw in mouth
Define Cephalopods
Head foot
What is an example of a cephalopod ?
Squid, octopus and nautilus
Where are the tentacles on Cephalopods and what is on the tentacles?
The tentacles have suction cups and sometimes hooks on them, and can be found arranged around the mouth
What do Cephalopods use to eat?
The use their beaks, which have a radial inside
How do Cephalopods move?
They use jet propulsion
How do Cephalopods protect themselves?
They protect themselves with tentacles and or ink sacks
What type of consumer are Cephalopods and how do they eat?
They are carnivores and use their tentacles to catch food and their beaks to eat
How do Cephalopods reproduce
They have male and female sexes and reproduce sexually
